Global Warming — Flashcards

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Carbon dioxide, nitrogen dioxide, chloro fluoro carbons, hydrocarbons, and methane are called Earth heating gases. They trap radiation and prevent heat from leaving the earth's surface.

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Greenhouse gases trap radiation and stop heat from escaping the earth's surface. This helps maintain the temperature of the earth.

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When too many greenhouse gases collect in the atmosphere, too much heat is trapped. This leads to excess global warming.

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The objective is to investigate the impact of greenhouse effect through simulation and to search methods to reduce global warming.

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Two identical glasses of the same material are used so that the comparison is fair. Any difference in heating can then be linked to the covered and uncovered conditions.

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Equal quantity of water should be put in both glasses, and the temperature of the water in both glasses should be noted using a thermometer before the experiment.

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One glass is covered completely with an inverted glass bowl or jar to simulate the greenhouse effect. The other glass remains uncovered as the control.

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Both glasses must be placed in open space so that sunlight falls directly on them. This helps show the difference in heating clearly.